# MI5 vs Mrs

> English confusable word pair

## The two words

### MI5
*name · frequency rank #33,328*
The domestic intelligence and counter-espionage agency of the United Kingdom, which operates in secret and whose primary function is to spy on terrorist organizations and others viewed as a threat to British national security. Formally known as the Security Service.

### Mrs
*noun · IPA /ˈmɪsɪz/ · frequency rank #1,372*
Abbreviation of Missus or Mistress; used before an adult woman's name or surname, used for any high-status woman without regard to marital status until the 1800s, after which it began to be reserved for married, divorced and widowed women and used with their married surnames.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/vs/mi5-vs-mrs